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BOE-A-2026-5608 ·10 March 2026 ·Act critical
Administrative

Businesses and individuals: 3 months to update official exchange rates or risk discrepancies

The Bank of Spain Resolution publishes the euro exchange rates for 9 March 2026, in accordance with Article 36 of Law 46/1998. These rates are official and must be used in financial transactions. This change affects all parties performing currency conversions, particularly in international trade, financial services, and cross-border payments.

In 3 key points

  1. Official exchange rates are updated daily according to the ECB (Art. 36 Law 46/1998) (art. 36 Ley 46/1998)
  2. 1 euro = 1.1555 US dollars (official rate for 9 March 2026) (cambio 1 euro = 1,1555 dólares USA)
  3. Rates are considered official from the date of their publication in the BOE (art. 36 Ley 46/1998)

How it affects those involved

International traders and businesses must update their pricing and foreign currency cost calculations to avoid errors in invoicing or payments. Individuals making purchases or travelling in foreign currencies can use the new official rates. Banks and financial advisors must incorporate the new rates into their calculation systems and communicate them to their clients. Using outdated rates may result in losses or discrepancies in transactions.

Lifecycle

2026-03-10PublishedPublished in the BOE
2026-03-10Into forceComes into force (art. 36 Ley 46/1998)
Official text Based on BOE data (boe.es). Information, not advice.

Does this provision affect you?

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This analysis is informational only and does not constitute legal advice or create a client-adviser relationship. BM Consulting.
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